/* Reset básico y fuente */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  background: #222;
  color: #eee;
  line-height: 1.6;
}

/* Navegación principal */
header {
  background: #3d3d3d;
  border-bottom: 2px solid #e75555;
}
nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}
nav ul li {
  margin: 0 1rem;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  padding: 1.2rem 1rem;
  display: inline-block;
  transition: background 0.3s;
}
nav ul li a:hover {
  background: #e75555;
  border-radius: 4px;
}

/* Secciones */
section {
  padding: 3rem 2rem;
  max-width: 900px;
  margin: auto;
}
section:nth-child(even) {
  background: #282828;
}

/* Títulos */
h1, h2, h3 {
  color: #e75555;
  margin-bottom: 1rem;
}

/* Botones estilo hipervínculo */
.button {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  margin: 0.5rem 0;
  background: #3939d3;
  color: #fff;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-size: 1.1rem;
  transition: background 0.2s, transform 0.2s;
  cursor: pointer;
}
.button:hover {
  background: #e75555;
  transform: translateY(-3px) scale(1.05);
}

/* Proyecto listado */
.proyecto {
  background: #34353a;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 12px rgba(0,0,0,0.14);
}

form input, form textarea {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1rem;
  border-radius: 5px;
  border: 1px solid #444;
  background: #222;
  color: #eee;
}

/* Responsivo básico */
@media (max-width: 600px) {
  section {
    padding: 2rem 0.5rem;
  }
  .proyecto {
    padding: 1rem;
  }
  nav ul {
    flex-direction: column;
    align-items: center;
  }
}